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Collinsville Drivers: Is It Time To Replace Your PCV Valve?

June 14th, 2012

by: Mike Najjar

 

The push for fuel economy has two benefits: using less gas, and fewer emissions. Collinsville cars and trucks run cleaner than ever. Collinsville people may not realize that the first federally mandated pollution control device came out almost fifty years ago.

Collinsville folks that were around in the early 60's may remember that the PCV valve came out on 1964 model cars. PCV stand for Positive Crankcase VentilationCollinsville Drivers: Is It Time To Replace Your PCV Valve?The crankcase is the lower part of the engine where the crankshaft is housed and where the engine oil lives. The crankshaft is connected to the pistons that power the engine.

When fuel is burned in the sedan engine, it pushes the pistons down and the crankshaft rotates and sends power to the transmission. Some of the explosive gases from combustion squeeze past the pistons and down into the crankcase.

Now this gas is about 70% unburned fuel. If it were allowed to remain in the crankcase, it would contaminate the oil and quickly turn it to sludge. Sludge is like Vaseline and clogs passages in the engine leading to damage.

Also, the pressure build up would blow out seals and gaskets. So in the old days, there was just a hose that vented the crankcase out into the air. Obviously, not good for our environment in Collinsville.

Enter the PCV valve. It’s a small, one-way valve that lets out the gases from the crankcase, and routes them back into the air intake system where can be re-burned in the engine. Fresh air comes into the crankcase through a breather tube. This makes for good circulation in the crankcase. And that gets the bad air out. As you can imagine, the valve gets gummed up over time.

Collinsville drivers that skip oil changes now and then will notice that the PCV valve gets gummed up even faster. If the PCV valve is sticking in your sedan, the gases won’t circulate as well, leading to increased pressure in the crankcase. That, in turn, can lead to oil leaks.Fortunately, the PCV valve is very inexpensive to replace at Master Auto Repair. Some can even be checked for function by your friendly service technician.

Manufacturer’s usually recommend they be changed somewhere between twenty and fifty thousand miles. Unfortunately, PCV valve replacement is left out of some sedan owner’s manuals, but at Master Auto Repair, we will make sure your PVC is replaced if needed.

All of us Collinsville car owners can do our part for the environment. Watch that lead foot, stay on top of our automotive maintenance and don’t forget to replace our PCV valve.

Collinsville Drivers: Is It Time To Replace Your PCV Valve? was written by of Master Auto and Tire
  Tags: auto repair
  Posted in: Parts

© MASTER AUTO REPAIR

  • 1939 Union Road
    St. Louis, MO 63125
    (314) 544-0123
    view location
  • 8216 Watson Rd.
    St. Louis, MO 63119
    (314) 843-0090
    view location
  • 7027 Hampton Ave.
    St. Louis, MO 63109
    (314) 832-5357
    view location
  • 206 Vandalia St.
    Collinsville, IL 62234
    (618) 344-7800
    view location
  • 6501 Fyler Ave
    St. Louis, MO 63139
    (314) 644-5995
    view location

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If you’re looking for expert auto repair and tires in Collinsville, IL and St. Louis, MO, you’ve come to the right place with Master Auto Repair. With a wide selection of premium tires and top-notch auto repair and service performed by ASE-certified technicians, Master Auto Repair is proud to display the ASE Blue Seal of Excellence, a distinction that only 15 percent of auto repair shops in the entire country can claim. With easy appointments, complimentary shuttle service and loaner vehicles, we take the headaches out of auto repair in St. Louis, MO and Collinsville, IL. Schedule an appointment and you’ll find out why customers keep coming back to Master Auto Repair.